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Which of the following statements about carbon is not correct? A) carbon forms strong covalent bonds to itself, allowing chains and rings to be made. B) carbon expands its valence shell to accomodate more than eight electrons and thus forms double and triple bonds. C) carbon forms strong covalent bonds to elements like nitrogen and oxygen because it does not have lone pairs of valence electrons to destabilize the bonds. D) carbon and hydrogen have similar electronegativity and form strong bonds to each other, thus avoiding the high reactivity shown by metal hydrides.

 Which of the following statements about carbon is not correct?
 A) carbon forms strong covalent bonds to itself, allowing chains and rings to be made.
 B) carbon expands its valence shell to accomodate more than eight electrons and thus forms double and triple bonds.
 C) carbon forms strong covalent bonds to elements like nitrogen and oxygen because it does not have lone pairs of valence electrons to destabilize the bonds.
 D) carbon and hydrogen have similar electronegativity and form strong bonds to each other, thus avoiding the high reactivity shown by metal hydrides.

Grade:upto college level

1 Answers

Kamlesh Kumar
askIITians Faculty 60 Points
7 years ago
answer is ( B).because during formation of double or triple bonds octet rule is not voilated.

thanks&regards
kamlesh kumar
askiitians faculty

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